Q: What are the prime factors of the number 270,623,328?

 A: 2, 3, 37, 61, 1249

Why are those the prime factors of the number 270,623,328?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 270,623,328

270,623,328
Factor Arrows
2135,311,664
Factor Arrows
267,655,832
Factor Arrows
233,827,916
Factor Arrows
216,913,958
Factor Arrows
28,456,979
Factor Arrows
32,818,993
Factor Arrows
3776,189
Factor Arrows
611,249

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 37, 61, 1249

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 37 x 61 x 1,249 = 270,623,328

This can also be written as 25 x 31 x 371 x 611 x 1,2491 = 270,623,328

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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